( function () {
class RenderPass extends THREE.Pass {
  constructor(scene, camera, overrideMaterial, clearColor, clearAlpha) {
    super();
    this.scene = scene;
    this.camera = camera;
    this.overrideMaterial = overrideMaterial;
    this.clearColor = clearColor;
    this.clearAlpha = clearAlpha !== undefined ? clearAlpha : 0;
    this.clear = true;
    this.clearDepth = false;
    this.needsSwap = false;
    this._oldClearColor = new THREE.Color();
  }

  render(renderer, writeBuffer, readBuffer
  /*, deltaTime, maskActive */
  ) {
    const oldAutoClear = renderer.autoClear;
    renderer.autoClear = false;
    let oldClearAlpha, oldOverrideMaterial;

    if (this.overrideMaterial !== undefined) {
      oldOverrideMaterial = this.scene.overrideMaterial;
      this.scene.overrideMaterial = this.overrideMaterial;
    }

    if (this.clearColor) {
      renderer.getClearColor(this._oldClearColor);
      oldClearAlpha = renderer.getClearAlpha();
      renderer.setClearColor(this.clearColor, this.clearAlpha);
    }

    if (this.clearDepth) {
      renderer.clearDepth();
    }

    renderer.setRenderTarget(this.renderToScreen ? null : readBuffer); // TODO: Avoid using autoClear properties, see https://github.com/mrdoob/three.js/pull/15571#issuecomment-465669600

    if (this.clear) renderer.clear(renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil);
    renderer.render(this.scene, this.camera);

    if (this.clearColor) {
      renderer.setClearColor(this._oldClearColor, oldClearAlpha);
    }

    if (this.overrideMaterial !== undefined) {
      this.scene.overrideMaterial = oldOverrideMaterial;
    }

    renderer.autoClear = oldAutoClear;
  }

}

THREE.RenderPass = RenderPass;
} )();
